Fair Value Measurements (Assets That Were Measured At Fair Value On A Non-Recurring Basis) (Detail) (USD $)	Jun. 30, 2012
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Real property	$ (1,065)
Estimated Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Real property	665
Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Real property	$ 665